The Game Census
Zup! F cover art

Zup! F

Quiet River · 2019-12-11

Steam

CasualIndie

Modes: Single player

Releases: Dec 11, 2019 (PC (Microsoft Windows))

Minimal physical puzzle with explosions

3
playing now
97%
positive of 8.3k reviews
Overwhelmingly Positive
steam rating
200,000–500,000
owners (SteamSpy est.)
80/100
IGDB user rating (3 ratings)
silver
deck/linux tier (ProtonDB)
$1.99
steam price (US)

3 players in-game as of 2026-08-30 18:00 UTC (census sample)

Health check

Quietly active
  • · 3 players in-game at the last census sample.
  • · 185 reviews in the last 8 weeks (~23/week).
  • · Review velocity down 11% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (2,658 reviews).
  • · Top 4% of 9,678 Casual games in the census by review count.

Health tier since 2026-08-29

Estimated sales: 208k–500k copies

Review-multiple estimate from 8,326 total reviews — how this is computed.

Current store prices

lowest across shops (ITAD)$1.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $0.57 at Steam (2025-09-29)via IsThereAnyDeal

12-month high $1.99 · on sale 6 of 12 observed days (census price snapshots)

Review momentum

PositiveNegative
2.6k2.6k20192026Week of 2019-12-01: 164 positiveWeek of 2019-12-01: 4 negativeWeek of 2020-01-01: 75 positiveWeek of 2020-01-01: 2 negativeWeek of 2020-02-01: 49 positiveWeek of 2020-02-01: 1 negativeWeek of 2020-03-01: 45 positiveWeek of 2020-03-01: 2 negativeWeek of 2020-04-01: 59 positiveWeek of 2020-04-01: 2 negativeWeek of 2020-05-01: 68 positiveWeek of 2020-05-01: 1 negativeWeek of 2020-06-01: 118 positiveWeek of 2020-06-01: 2 negativeWeek of 2020-07-01: 189 positiveWeek of 2020-07-01: 4 negativeWeek of 2020-08-01: 96 positiveWeek of 2020-08-01: 5 negativeWeek of 2020-09-01: 66 positiveWeek of 2020-09-01: 1 negativeWeek of 2020-10-01: 103 positiveWeek of 2020-10-01: 4 negativeWeek of 2020-11-01: 2,616 positiveWeek of 2020-11-01: 42 negativeWeek of 2020-12-01: 237 positiveWeek of 2020-12-01: 4 negativeWeek of 2021-01-01: 205 positiveWeek of 2021-01-01: 7 negativeWeek of 2021-02-01: 240 positiveWeek of 2021-02-01: 10 negativeWeek of 2021-03-01: 277 positiveWeek of 2021-03-01: 10 negativeWeek of 2021-04-01: 244 positiveWeek of 2021-04-01: 9 negativeWeek of 2021-05-01: 265 positiveWeek of 2021-05-01: 6 negativeWeek of 2021-06-01: 277 positiveWeek of 2021-06-01: 13 negativeWeek of 2021-07-01: 275 positiveWeek of 2021-07-01: 14 negativeWeek of 2021-08-01: 172 positiveWeek of 2021-08-01: 6 negativeWeek of 2021-09-01: 133 positiveWeek of 2021-09-01: 4 negativeWeek of 2021-10-01: 146 positiveWeek of 2021-10-01: 2 negativeWeek of 2021-11-01: 291 positiveWeek of 2021-11-01: 7 negativeWeek of 2021-12-01: 136 positiveWeek of 2021-12-01: 3 negativeWeek of 2022-01-01: 165 positiveWeek of 2022-01-01: 4 negativeWeek of 2022-02-01: 133 positiveWeek of 2022-02-01: 9 negativeWeek of 2022-03-01: 108 positiveWeek of 2022-03-01: 2 negativeWeek of 2022-04-01: 105 positiveWeek of 2022-04-01: 2 negativeWeek of 2022-05-01: 79 positiveWeek of 2022-05-01: 3 negativeWeek of 2022-06-01: 127 positiveWeek of 2022-06-01: 6 negativeWeek of 2022-07-01: 123 positiveWeek of 2022-07-01: 8 negativeWeek of 2022-08-01: 90 positiveWeek of 2022-08-01: 7 negativeWeek of 2022-09-01: 41 positiveWeek of 2022-09-01: 5 negativeWeek of 2022-10-01: 55 positiveWeek of 2022-10-01: 5 negativeWeek of 2022-11-01: 126 positiveWeek of 2022-11-01: 4 negativeWeek of 2022-12-01: 62 positiveWeek of 2022-12-01: 6 negativeWeek of 2023-01-01: 72 positiveWeek of 2023-01-01: 2 negativeWeek of 2023-02-01: 48 positiveWeek of 2023-02-01: 4 negativeWeek of 2023-03-01: 63 positiveWeek of 2023-03-01: 2 negativeWeek of 2023-04-01: 43 positiveWeek of 2023-05-01: 57 positiveWeek of 2023-06-01: 48 positiveWeek of 2023-06-01: 1 negativeWeek of 2023-07-01: 59 positiveWeek of 2023-07-01: 3 negativeWeek of 2023-08-01: 41 positiveWeek of 2023-08-01: 2 negativeWeek of 2023-09-01: 53 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 31 positiveWeek of 2023-10-01: 1 negativeWeek of 2023-11-01: 66 positiveWeek of 2023-12-01: 41 positiveWeek of 2023-12-01: 1 negativeWeek of 2024-01-01: 50 positiveWeek of 2024-01-01: 2 negativeWeek of 2024-02-01: 29 positiveWeek of 2024-02-01: 3 negativeWeek of 2024-03-01: 38 positiveWeek of 2024-03-01: 2 negativeWeek of 2024-04-01: 30 positiveWeek of 2024-05-01: 34 positiveWeek of 2024-05-01: 3 negativeWeek of 2024-06-01: 40 positiveWeek of 2024-06-01: 1 negativeWeek of 2024-07-01: 54 positiveWeek of 2024-07-01: 2 negativeWeek of 2024-08-01: 25 positiveWeek of 2024-08-01: 3 negativeWeek of 2024-09-01: 43 positiveWeek of 2024-09-01: 3 negativeWeek of 2024-10-01: 32 positiveWeek of 2024-10-01: 3 negativeWeek of 2024-11-01: 25 positiveWeek of 2024-11-01: 4 negativeWeek of 2024-12-01: 43 positiveWeek of 2024-12-01: 2 negativeWeek of 2025-01-01: 32 positiveWeek of 2025-01-01: 2 negativeWeek of 2025-02-01: 26 positiveWeek of 2025-02-01: 2 negativeWeek of 2025-03-01: 39 positiveWeek of 2025-03-01: 5 negativeWeek of 2025-04-01: 22 positiveWeek of 2025-04-01: 3 negativeWeek of 2025-05-01: 25 positiveWeek of 2025-05-01: 2 negativeWeek of 2025-06-01: 27 positiveWeek of 2025-06-01: 3 negativeWeek of 2025-07-01: 31 positiveWeek of 2025-07-01: 1 negativeWeek of 2025-08-01: 23 positiveWeek of 2025-08-01: 1 negativeWeek of 2025-09-01: 22 positiveWeek of 2025-09-01: 1 negativeWeek of 2025-10-01: 24 positiveWeek of 2025-10-01: 1 negativeWeek of 2025-11-01: 22 positiveWeek of 2025-12-01: 36 positiveWeek of 2025-12-01: 4 negativeWeek of 2026-01-01: 30 positiveWeek of 2026-01-01: 1 negativeWeek of 2026-02-01: 16 positiveWeek of 2026-02-01: 1 negativeWeek of 2026-03-01: 22 positiveWeek of 2026-03-01: 2 negativeWeek of 2026-04-01: 16 positiveWeek of 2026-04-01: 1 negativeWeek of 2026-05-01: 16 positiveWeek of 2026-05-01: 1 negativeWeek of 2026-06-01: 23 positiveWeek of 2026-06-01: 1 negativeWeek of 2026-07-01: 14 positiveWeek of 2026-07-01: 1 negativeWeek of 2026-08-01: 19 positiveWeek of 2026-08-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

2902026-08-06 23:00 — 0 players2026-08-07 07:00 — 3 players2026-08-07 15:00 — 2 players2026-08-07 23:00 — 2 players2026-08-08 07:00 — 2 players2026-08-08 15:00 — 2 players2026-08-08 23:00 — 2 players2026-08-09 07:00 — 0 players2026-08-09 15:00 — 2 players2026-08-09 23:00 — 1 players2026-08-10 07:00 — 3 players2026-08-10 16:00 — 0 players2026-08-11 00:00 — 1 players2026-08-11 08:00 — 1 players2026-08-11 16:00 — 1 players2026-08-12 23:00 — 1 players2026-08-14 07:00 — 0 players2026-08-15 15:00 — 3 players2026-08-16 23:00 — 1 players2026-08-18 06:00 — 3 players2026-08-19 14:00 — 29 players2026-08-20 21:00 — 5 players2026-08-22 05:00 — 3 players2026-08-23 12:00 — 2 players2026-08-24 20:00 — 3 players2026-08-26 04:00 — 2 players2026-08-27 12:00 — 4 players2026-08-28 20:00 — 2 players2026-08-30 02:00 — 1 players2026-08-30 18:00 — 3 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$1.99$0.572024-02-112026-08-242024-02-11 — best price $1.992024-03-15 — best price $0.592024-03-21 — best price $1.992024-06-27 — best price $0.792024-07-11 — best price $1.992024-09-16 — best price $0.592024-09-23 — best price $1.992024-11-27 — best price $0.592024-12-04 — best price $1.992024-12-19 — best price $0.592025-01-02 — best price $1.992025-03-13 — best price $0.592025-03-20 — best price $1.992025-06-26 — best price $0.592025-07-10 — best price $1.992025-09-29 — best price $0.572025-10-06 — best price $1.992025-12-18 — best price $0.592026-01-05 — best price $1.992026-02-09 — best price $0.592026-02-16 — best price $1.992026-03-19 — best price $0.592026-03-26 — best price $1.992026-06-25 — best price $0.692026-07-09 — best price $1.992026-08-17 — best price $0.692026-08-24 — best price $1.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

60+
achievements tracked
71.6%
earned "⬡"
69.2%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam Trading CardsSteam CloudFamily Sharing

40 supported languages: English, Russian, French, Italian, German, Spanish - Spain, Arabic, Bulgarian, Portuguese - Brazil, Hungarian, Vietnamese, Greek…

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)9,86561%640

Players tracked by Exophase (achievement/trophy trackers) — a sample of the player base, not total sales.

Player tags

2DCuteIndieShortCasualPuzzlePhysicsRelaxingFast-PacedMinimalist

Census log

Computed from census-recorded observations only — dates are observation dates.

Players also track

Supreme Ruler UltimateBronze Age - HD EditionTech Support: Error UnknownRogue HeistApsulov: End of Gods

Similarity via IGDB.